Vietnam visa on arrival is the visa to be picked up at the airport on arrival in Vietnam, which is the quickest and easiest way to get visa to Vietnam. It is only applied for those traveling by air to Vietnam, and can only be picked up at one of these 3 international airports in Vietnam: Noi Bai in Hanoi City, Danang Airport in Danang City, and Tan Son Nhat in Hochiminh City. Click here to see how it works.